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A bipartisan group of senators recently introduced a bill that would relax both electronic logging device and hours-of-service requirements for livestock haulers.

UPS Inc. will increase its over-the-maximum limits and the oversize pallet-handling surcharge to $650 from $500 beginning June 4.

State officials figure the Volkswagen diesel emissions testing scandal added an extra 10,000 tons of noxious nitrogen oxide to California’s air. To make up for it, the state will use $423 million of Volkswagen penalty money to cut the same amount of nitrogen oxide by subsidizing the purchase of zero-emission trucks, buses and other vehicles.

Since the Uber accident in March, autonomous car researchers’ eyes have been opening to the need to teach robots how to drive in the dark and avoid people who wander into the road.

This spring, a struggle for market share in online tire retailing turned into a battle for dominance as giants Goodyear and Bridgestone paired off against Amazon and Sears.

Uber Technologies Inc.’s self-driving vehicle wasn’t programmed to stop for obstructions in its path, including the pedestrian it struck and killed last March in Arizona, according to federal investigators.

Uber Technologies Inc. confirmed it is shutting down its autonomous vehicle operations in Arizona, including its self-driving trucks, two months after one of its self-driving passenger cars struck and killed a pedestrian in the state.

Uber is shutting down testing operations in Arizona and focusing instead on testing in Pittsburgh and San Francisco, according to an internal e-mail from Eric Meyhofer, a Carnegie Mellon University graduate and the head of Uber’s self-driving car operations.